🤖 Pick PR #58931 (Defer creation of barebonesLibSourc...) into release-5.5 by typescript-bot · Pull Request #58933 · microsoft/TypeScript
Expand Up
@@ -26,6 +26,7 @@ import {
optionDeclarations,
parseCustomTypeOption,
ScriptTarget,
SourceFile,
toPath,
transpileOptionValueCompilerOptions,
} from "./_namespaces/ts.js";
Expand Down
Expand Up
@@ -109,9 +110,11 @@ interface Symbol {
readonly [Symbol.toStringTag]: string;
}`;
const barebonesLibName = "lib.d.ts";
const barebonesLibSourceFile = createSourceFile(barebonesLibName, barebonesLibContent, { languageVersion: ScriptTarget.Latest });
let barebonesLibSourceFile: SourceFile | undefined;
function transpileWorker(input: string, transpileOptions: TranspileOptions, declaration?: boolean): TranspileOutput { barebonesLibSourceFile ??= createSourceFile(barebonesLibName, barebonesLibContent, { languageVersion: ScriptTarget.Latest });
const diagnostics: Diagnostic[] = [];
const options: CompilerOptions = transpileOptions.compilerOptions ? fixupCompilerOptions(transpileOptions.compilerOptions, diagnostics) : {}; Expand Down
function transpileWorker(input: string, transpileOptions: TranspileOptions, declaration?: boolean): TranspileOutput { barebonesLibSourceFile ??= createSourceFile(barebonesLibName, barebonesLibContent, { languageVersion: ScriptTarget.Latest });
const diagnostics: Diagnostic[] = [];
const options: CompilerOptions = transpileOptions.compilerOptions ? fixupCompilerOptions(transpileOptions.compilerOptions, diagnostics) : {}; Expand Down